Laser hair removal is not for everyone. The treatment works best in light-skinned people with dark hair compared to those with darkly pigmented skin. In most cases, multiple laser treatment sessions are required to get the best cosmetic result. The reason for this is because hair growth occurs during different cycles and not all hair are in the same cycle. Additional sessions are required to ensure that all the hairs are treated.
The laser emits a light beam that is absorbed by the hair follicle. The darker the hair, the more laser energy is required and the treatment is effective. Individuals who have light or blonde hair are very difficult to treat as the laser energy is not absorbed but reflected back. In individuals who have dark skin, the laser generally causes a nasty skin burn instead of destroying the hair follicle
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